The Pediatric infectious disease journal
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Pediatr. Infect. Dis. J. · May 2011
Effectiveness of haemophilus influenzae type B conjugate vaccine for prevention of meningitis in Senegal.
A total of 24 cases of hospitalized, laboratory-confirmed Haemophilus influenzae type b (Hib) meningitis were identified through a regional pediatric bacterial meningitis surveillance system. Each case was matched by age and residence to 4 neighborhood controls. The adjusted vaccine effectiveness for ≥ 2 doses was 95.8% (95% confidence interval, 67.9%-99.4%). Hib vaccine appears to be highly effective in preventing Hib meningitis in Senegal.